/*
    二维数组演示
*/
#include <stdio.h>
int main() {
    int arr[3][2]; //二维数组声明
    int row = 0 , col = 0, num = 1;
    arr[1][0] = 10;
    for(row = 0; row <= 2; row++) {
	for (col = 0; col <= 1; col++) {
	    arr[row][col] = num;
	    printf("%d ", arr[row][col]);
	    num++;
   	}
  	printf("\n");
    }
    return 0;
}
